1-8 x 4 1/2 Coarse Thread Socket Head Cap Screw Black DFAR 3SW this screw provides maximum holding

this screw provides maximum holding power and can be used to securely fasten materials of varying thicknesses

With a diameter of 5/16 inches and a length of 3/8 inches

The alternating external teeth provide increased holding power

It is made from zinc-plated steel with a hardness of 140HV

The screw has a Phillips pan head and a full thread design

1-8 x 4 1/2 Coarse Thread Socket Head Cap Screw Black DFAR 3SW this screw provides maximum holding1 8 x 4 1 2 Coarse Thread Socket Head Cap Screw Black DFAR is a type of screw that is used to fasten two pieces of metal together. It has a hexagonal head with a socket in the center, which allows it to be tightened with a hex key. The screw is made of steel and has a black oxide finish for corrosion resistance. It has a coarse thread, which means that the threads are widely spaced apart. This type of screw is often used in automotive and industrial